goat punch also known as a donkey punch to some... then a man is drilling his partner in the poo nanny from behind her (usually a different partner is used every night) right before climax, he punches her in the back of the head, which causes the whore to tighten her loose hole, resulting in a better orgasm for the man, and sometime a child for the whore.

pimp "u like that bitch"
loose whore "ya ya fuck me ya"
pimp about to nut punches her firmly in the back of the skull, sometimes causing brain damage. but always resulting in the tighting of the vagina